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        <title>智能硬件</title>
        <style>
            *{
                /* 定义所有外边距 */
                margin: 0;
                padding: 0;
            }
            /* 容器container_star */
            div.container_smart dl.tu{
                width: 236px;
                height: 704px;
            }
            div.container_smart dl{
                width: 236px;
                height: 342px;
                background: #fafafa;
                /* rgba(红，绿，蓝，透明度) */
                margin: 15px auto;
                text-align: center;
                float: left;
                margin-right: 20px;
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            div.container_smart dl.tu img{
                margin: 30px auto;
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            /* 容器：图片，三行文本 */
            div.container_smart dl dt img{
                margin: 30px auto;
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                position: relative;
                display: inline-block;
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            div.container_smart dl dt{
                display: flex;
                justify-content: center;
                align-items: center;
                width: 230px;
                height: 200px;
            }
            div.container_smart dl dd{
                margin-top: 15px;
            }
            div.container_smart dl dd.black{
                color: #333;
                font-size: 15px;
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            div.container_smart dl dd.gray{
                color: #b0b0b6;
                font-size: 13px;
            }
            div.container_smart dl dd.orange{
                color: #ff6709;
                font-size: 14px;
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        </style>
    </head>
    <body>
        <div class="container_smart">
            <dl class="tu"><img src="img/haraware_kid.png" alt="0" /></dl>
            <dl>
                <dt><img src="img/haraware_tizhongcheng.png" alt="1"></dt>
                <dd class="black">小米体重秤</dd>
                <dd class="gray">高精度压力传感器，手机管理全家健康</dd>
                <dd class="orange">99元</dd>
            </dl>
            <dl>
                <dt><img src="img/haraware_luyouqi.png" alt="2"></dt>
                <dd class="black">小米路由器3</dd>
                <dd class="gray">更安全更稳定，安全发售</dd>
                <dd class="orange">149元</dd>
            </dl>
            <dl>
                <dt><img src="img/haraware_shouhuan.png" alt="3"></dt>
                <dd class="black">小米手环 光感版</dd>
                <dd class="gray">实时监测心率，科学运动</dd>
                <dd class="orange">99元</dd>
            </dl>
            <dl>
                <dt><img src="img/haraware_anfang.png" alt="4"></dt>
                <dd class="black">小米智能安防套装</dd>
                <dd class="gray">智能警戒，为您的家增添一份安心</dd>
                <dd class="orange">699元</dd>
            </dl>
            <dl>
                <dt><img src="img/haraware_xiaoyi.png" alt="5"></dt>
                <dd class="black">小米运动相机</dd>
                <dd class="gray">边玩边录边拍，手机随时分享</dd>
                <dd class="orange">399元</dd>
            </dl>
            <dl>
                <dt><img src="img/haraware_xieya.png" alt="6"></dt>
                <dd class="black">iHealth智能血压计（蓝牙版）</dd>
                <dd class="gray">送给父母的健康礼物</dd>
                <dd class="orange">199元</dd>
            </dl>
            <dl>
                <dt><img src="img/dianfanbao_icon05.jpg" alt="7"></dt>
                <dd class="black">小米智能摄像机 夜视版</dd>
                <dd class="gray">能看能听能说，手机远程观看</dd>
                <dd class="orange">149元</dd>
            </dl>
            <dl>
                <dt><img src="img/haraware_light.png" alt="8"></dt>
                <dd class="black">Yeelight床头灯</dd>
                <dd class="gray">触摸式操作，给卧室1600万种颜色</dd>
                <dd class="orange">699元</dd>
            </dl>
        </div>
    </body>
</html>